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961798280341 = 2027774743133
BaseRepresentation
bin11011111111011111010…
…01010001010010010101
310101221120101010222212011
431333233221101102111
5111224230324432331
62013502151024221
7126326154331033
oct15775751212225
93357511128764
10961798280341
11340995067558
121364a036b071
136c90a9536b2
14347a0a25553
151a042a983b1
hexdfefa51495

961798280341 has 4 divisors (see below), whose sum is σ = 961803226252. Its totient is φ = 961793334432.

The previous prime is 961798280321. The next prime is 961798280389. The reversal of 961798280341 is 143082897169.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175117977841 + 786680302500 = 418471^2 + 886950^2 .

It is a cyclic number.

It is not a de Polignac number, because 961798280341 - 217 = 961798149269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961798280321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168790 + ... + 2574343.

It is an arithmetic number, because the mean of its divisors is an integer number (240450806563).

Almost surely, 2961798280341 is an apocalyptic number.

It is an amenable number.

961798280341 is a deficient number, since it is larger than the sum of its proper divisors (4945911).

961798280341 is a wasteful number, since it uses less digits than its factorization.

961798280341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945910.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 961798280341 in words is "nine hundred sixty-one billion, seven hundred ninety-eight million, two hundred eighty thousand, three hundred forty-one".

Divisors: 1 202777 4743133 961798280341